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3 years ago

Use the distributive property to simplify the expression, 21m(10-6m)

Mathematics

1 answer:

photoshop1234 [79]3 years ago

4 0

$21m(10-6m)=\\ 21m*10-21m*6m=\\ 210m-126m^2=\\ -126m^2+210m$

The last two steps are just me reordering it so it's in standard form.

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An asset that costs $14,400 and has accumulated depreciation of $8,000 is sold for $5,600. What amount of gain or loss will be r

Advocard [28]

Answer:

There will be an $800 loss

Step-by-step explanation:

The initial cost of the asset is $14,400

When an asset depreciates, it loses its potential value over time. In this case, the total depreciation of our asset is given as $8,000.

The Current value of the asset = Initial Value - Accumulated Depreciation

Current value = $14,400 - $8,000 = $6,400

Since the asset is sold for $5,600, it is clear that this is a loss, as the selling price of $5,600 is less than the actual price of $6,400. So,

Loss = Actual (Cost) Price - Selling Price = $6,400 - $5,600 = $800

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3 years ago

F the experimental value for the percentage of o is 37%, the accepted value of the percentage of oxygen is 40%, what is the perc

fenix001 [56]

The percentage error can be calculated using the following rule:
% error = difference between values / accepted value

From the givens:
The accepted value = 40%
Difference between values = 40% - 37% = 3%

Substitute in the equation to get the percentage error as follows:
% error = (3/40) * 100 = 7.5%

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3 years ago

Read 2 more answers

Please help! thanks :)

ladessa [460]

Answer:

Solution

Percent 27.5

Tall:48 inches

then

27.5/100×48

=13.2

Your answer is 13.2

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3 years ago

Explain why triangles with 3 congruent parts aren’t necessarily congruent.

Deffense [45]

Answer:

SAS stands for "side, angle, side" and means that we have two triangles where we know two sides and the included angle are equal. If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle, the triangles are congruent.

Step-by-step explanation:

I hope this helps and pls mark me brainliest :)

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3 years ago

Please help ill give brainliest

Sveta_85 [38]

Answer:

$\sf A . \sf \frac{3}{-7}$

$\sf E. \sf -( \frac{-3}{-7} )$

This above options makes the expression true.

The negatives above can be distributed up as well, which happened in A.

In E, when the negatives inside the bracket cancels out, the negative outside the brackets multiplies and makes the expression true.

In B the expression turns positive, thus false same happens with C and D

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3 years ago